We've replaced remap_file_pages(2) implementation with emulation.
Nobody creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
Cc: Guan Xuetao <g...@mprc.pku.edu.cn>
---
arch/unicore32/include/asm/pgtable-hwdef.h | 1 -
arch/unicore32/include/asm/pgtable.h | 14 --------------
2 files changed, 15 deletions(-)
diff --git a/arch/unicore32/include/asm/pgtable-hwdef.h
b/arch/unicore32/include/asm/pgtable-hwdef.h
index 7314e859cca0..e37fa471c2be 100644
--- a/arch/unicore32/include/asm/pgtable-hwdef.h
+++ b/arch/unicore32/include/asm/pgtable-hwdef.h
@@ -44,7 +44,6 @@
#define PTE_TYPE_INVALID (3 << 0)
#define PTE_PRESENT (1 << 2)
-#define PTE_FILE (1 << 3) /* only when !PRESENT */
#define PTE_YOUNG (1 << 3)
#define PTE_DIRTY (1 << 4)
#define PTE_CACHEABLE (1 << 5)
diff --git a/arch/unicore32/include/asm/pgtable.h
b/arch/unicore32/include/asm/pgtable.h
index ed6f7d000fba..818d0f5598e3 100644
--- a/arch/unicore32/include/asm/pgtable.h
+++ b/arch/unicore32/include/asm/pgtable.h
@@ -283,20 +283,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
#define MAX_SWAPFILES_CHECK() \
BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS)
-/*
- * Encode and decode a file entry. File entries are stored in the Linux
- * page tables as follows:
- *
- * 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
- * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
- * <----------------------- offset ----------------------> 1 0 0 0
- */
-#define pte_file(pte) (pte_val(pte) & PTE_FILE)
-#define pte_to_pgoff(x) (pte_val(x) >> 4)
-#define pgoff_to_pte(x) __pte(((x) << 4) | PTE_FILE)
-
-#define PTE_FILE_MAX_BITS 28
-
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
/* FIXME: this is not correct */
#define kern_addr_valid(addr) (1)
--
2.1.3
--
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